HELP FAST where is the answer to the this expression 3-7 on a horizontal number line

4 units to the left of 3

7 units to the left of 3

4 units to the right of 3

7 units to the right of 3

When george started his current job, his employer told him that at the end of the first year, he would receive two vacation days. after each year worked, his number of vacation days will double up to five work weeks (25days) of payed vacation. how many vacation days will he have in 4 years